from django.db import models
from django.contrib.auth.models import AbstractUser
from itsdangerous import TimedJSONWebSignatureSerializer as Serializer,BadData
from django.conf import settings

# Create your models here.

class User(AbstractUser):

    mobile = models.CharField(max_length=11,unique=True,verbose_name='手机号')

    email_active = models.BooleanField(default=False, verbose_name='邮箱验证状态')
    # 获取用户默认地址的时候方便
    # 如果放到address中 会造成字段的浪费
    default_address = models.ForeignKey('Address', related_name='users', null=True, blank=True,
                                          on_delete=models.SET_NULL, verbose_name='默认地址')


    class Meta:
        db_table = 'tb_users'
        verbose_name = '用户'
        verbose_name_plural = verbose_name



    def generic_email_url(self,email):

        serializer = Serializer(settings.SECRET_KEY,3600)

        token = serializer.dumps({'email':email,'id':self.id})

        return  'http://www.meiduo.site:8080/success_verify_email.html?token=' +  token.decode()


    @staticmethod
    def check_verify_token(token):

        serializer = Serializer(settings.SECRET_KEY,3600)

        try:
            result = serializer.loads(token)
        except BadData:
            return None
        else:
            #查找出user
            id = result.get('id')
            email = result.get('email')
            try:
                # filter().filter()
                user = User.objects.get(id=id)
            except User.DoesNotExist:
                return None


            return user

from utils.models import BaseModel

class Address(BaseModel):
    """
    用户地址
    """
    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='addresses', verbose_name='用户')
    title = models.CharField(max_length=20, verbose_name='地址名称')
    receiver = models.CharField(max_length=20, verbose_name='收货人')
    province = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='province_addresses', verbose_name='省')
    city = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='city_addresses', verbose_name='市')
    district = models.ForeignKey('areas.Area', on_delete=models.PROTECT, related_name='district_addresses', verbose_name='区')
    place = models.CharField(max_length=50, verbose_name='地址')
    mobile = models.CharField(max_length=11, verbose_name='手机')
    tel = models.CharField(max_length=20, null=True, blank=True, default='', verbose_name='固定电话')
    email = models.CharField(max_length=30, null=True, blank=True, default='', verbose_name='电子邮箱')
    is_deleted = models.BooleanField(default=False, verbose_name='逻辑删除')



    class Meta:
        db_table = 'tb_address'
        verbose_name = '用户地址'
        verbose_name_plural = verbose_name
        ordering = ['-update_time']